204440223312 has 240 divisors, whose sum is σ = 635756808960. Its totient is φ = 60934228992.

The previous prime is 204440223287. The next prime is 204440223341. The reversal of 204440223312 is 213322044402.

204440223312 is a `hidden beast` number, since 20 + 4 + 4 + 402 + 233 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7825023 + ... + 7851105.

It is an arithmetic number, because the mean of its divisors is an integer number (2648986704).

Almost surely, 2^204440223312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204440223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317878404480).

204440223312 is an abundant number, since it is smaller than the sum of its proper divisors (431316585648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204440223312 is a wasteful number, since it uses less digits than its factorization.

204440223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26242 (or 26233 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 204440223312 its reverse (213322044402), we get a palindrome (417762267714).

The spelling of 204440223312 in words is "two hundred four billion, four hundred forty million, two hundred twenty-three thousand, three hundred twelve".